79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
from contextlib import contextmanager
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import json
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from pathlib import Path
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import subprocess
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import sys
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import unittest
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from unittest.mock import patch
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sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
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import pr_overlap
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RUN = subprocess.run
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UNICODE = "Quoted \u201cmetadata\u201d, Y\u014dtei and \U0001f3ae"
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TREE = "a" * 40
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@contextmanager
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def command_output(stdout, stderr="", returncode=0):
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code = ("import os, sys\n"
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f"os.write(1, {stdout.encode('utf-8')!r})\n"
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f"os.write(2, {stderr.encode('utf-8')!r})\n"
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f"sys.exit({returncode})\n")
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def run(command, **kwargs):
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return RUN([sys.executable, "-c", code], **kwargs)
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with patch.object(subprocess, "_text_encoding", return_value="cp1252"), \
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patch.object(subprocess, "run", side_effect=run):
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yield
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class EncodingTests(unittest.TestCase):
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def test_gh_json_preserves_unicode(self):
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response = [{"number": 1, "body": UNICODE}]
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with command_output(json.dumps(response, ensure_ascii=False)):
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self.assertEqual(json.loads(pr_overlap.gh("pr", "list", "--json", "number,body")), response)
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def test_ascii_gh_json(self):
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response = [{"number": 1, "body": "Ordinary metadata"}]
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with command_output(json.dumps(response)):
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self.assertEqual(json.loads(pr_overlap.gh("pr", "list", "--json", "number,body")), response)
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def test_gh_error_preserves_unicode(self):
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with command_output("", UNICODE, 1):
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with self.assertRaises(subprocess.CalledProcessError) as raised:
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pr_overlap.gh("pr", "list")
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self.assertEqual(raised.exception.returncode, 1)
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self.assertEqual(raised.exception.stderr, UNICODE)
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def test_git_diff_preserves_unicode(self):
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diff = "@@ -1 +1 @@\n-old\n+" + UNICODE + "\n"
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with command_output(diff):
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self.assertEqual(pr_overlap.git("diff", "--no-color"), diff)
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def test_git_error_preserves_unicode(self):
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with command_output("", UNICODE, 128):
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with self.assertRaises(subprocess.CalledProcessError) as raised:
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pr_overlap.git("show", "HEAD")
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self.assertEqual(raised.exception.returncode, 128)
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self.assertEqual(raised.exception.stderr, UNICODE)
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def test_merge_conflict_preserves_unicode_paths(self):
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path = UNICODE + ".txt"
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with command_output(TREE + "\n" + path + "\n", returncode=1):
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self.assertEqual(pr_overlap.merge("main", "topic"), (TREE, {path}))
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def test_merge_success(self):
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with command_output(TREE + "\n"):
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self.assertEqual(pr_overlap.merge("main", "topic"), (TREE, set()))
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def test_merge_error_preserves_unicode(self):
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with command_output("", UNICODE, 128):
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with self.assertRaisesRegex(RuntimeError, UNICODE):
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pr_overlap.merge("main", "topic")
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if __name__ == "__main__":
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unittest.main()
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